MATEC Web Conf.
Volume 121, 20178th International Conference on Manufacturing Science and Education – MSE 2017 “Trends in New Industrial Revolution”
|Number of page(s)||5|
|Section||Engineering in Oil and Gas Field|
|Published online||09 August 2017|
Intergranular degradation of stainless steel tubular components used for kerosene transportation. Metallographic analysis
1 Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering, Bd. D. Mangeron no. 41, 700050, Iasi, Romania
2 Alexandru Ioan Cuza University of Iasi, Faculty of Physics, Bd. Carol I, 700506, Iasi, Romania
3 University of Southampton, Faculty of Engineering and Environment, United Kingdom
4 Gheorghe Asachi Technical University of Iasi, Faculty of Machine Manufacturing and Industrial Management, Bd. D. Mangeron no. 67, 700050, Iasi, Romania
5 Gheorghe Asachi Technical University of Iasi, Faculty of Machine Manufacturing and Industrial Management, Department of Physics, Bd. D. Mangeron no. 67, 700050, Iasi, Romania
* Corresponding author: firstname.lastname@example.org
The chemical interactions between the kerosene compounds and the stainless steel structure of the tubular components, through which kerosene is transported, develop a degradation phenomenon, causing intergranular contamination from the surface to the inner part (process based also on mass transport, i.e. diffusion at low temperatures). This is the most dangerous effect of chemical contamination, affecting the active section of the tubular components, which can reach a critical section, leading to catastrophic consequences in the operation of a jet engine. Metallographic analysis of the tubular components of such a jet engine, manufactured from stainless steel 12H18N10T, through which kerosene has been transported, come to confirm the intergranular contamination.
© The Authors, published by EDP Sciences, 2017
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